We just had central air installed and the contractor removed the radiators. However, the pipe and valves are left over sticking out of the floor upstairs. I tried using a plumber's wrench to at least get the valve off but it would not budge. How can I remove them? Keep in mind that the house was built in the 1930's and removing the whole pipe would involve an asbestos abatement. I rather keep and encapsulate the holes after removing the ends of the pipe with plaster.

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I used a reciprocating saw with a metal blade to cut though my cast iron pipe. It's $60 if you don't already have one, but they come in handy. You could also use a angle grinder with a metal blade, but that's louder, sparkier and smells more.